Finding the Fourth Proportional to 823,721.49, 1,236,455.67 and 729,562.94
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Solution
The fourth proportional to 823,721.49, 1,236,455.67 and 729,562.94 is: 1,095,118.00
Step by Step Solution
- Step 1: Write the proportion equation
823,721.49 : 1,236,455.67 = 729,562.94 : x - Step 2: Convert to fraction form
823,721.49/1,236,455.67 = 729,562.94/x - Step 3: Cross multiply
823,721.49x = 1,236,455.67 × 729,562.94 - Step 4: Simplify right side
823,721.49x = 902,072,230,137.06 - Step 5: Solve for x
x = 902,072,230,137.06/823,721.49 - Step 6: Final answer
x = 1,095,118.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.